2-Bromo-5-(difluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine
2-Bromo-3-(difluoromethyl)-4-nitro-6-(trifluoromethoxy)pyridine
2-Bromo-5-nitro-3-(trifluoromethoxy)pyridine-6-acetonitrile
2-Bromo-4-nitro-3-(trifluoromethoxy)pyridine-6-acetonitrile
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